[cvs] bogofilter paths.c,1.2,1.3

[Matthias Andree]

relson at users.sourceforge.net writes:

> Modified Files:
> 	paths.c 
> Log Message:
> Don't allow null string as directory name.

Should we also reject all-whitespace names?

Suggestion:

if (env == NULL || strspn(env, " \011\012\013\014\015") == strlen(env)) return NULL;

\011 is  9, HTAB  \t
\012 is 10, LF    \n
\013 is 11, VTAB
\014 is 12, FF    \f
\015 is 13, CR    \r

-- 
Matthias Andree